Code Formatter for Windows Live Writer - this tool is a plugin for Windows Live Writer that formats code in various languages so that it displays nicely when writing posts.
A tool for converting animated GIFs into spritemaps - this tool takes a gif and produces a bitmap of the individual frames.
A tool for finding unused items in a Visual Studio solution - this tool find unused items such as C# code files, resources, and other files in a solution.
Find Your Windows Product Key - this tool finds the product key used to activate your copy of Windows.